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Subject: Re: [virtio-dev] Re: [PATCH v11] virtio-net: support inner header hash
On Tue, Mar 21, 2023 at 04:19:17AM +0000, Parav Pandit wrote: > One (this proposal) is solving spread to different RSS queues. Spread is mostly ok with modern protocols though. It seems to optimize for a specific monitoring solution. > Another one is finding out which exact packet to drop/pass when queue usage is high. (ebpf/tc other ways to solve it). > > Ebpf sounds cooler than the real offload implementation in the hw device at the current level. > I remember Jason's good talk on the ebpf a few years back, which is possible when done in sw on the hypervisor. I was talking about classic bpf though. no state. > On mlx5 device inner hash is supported for IPnIP and GRE tunnels. which variants of GRE are supported? > None of the existing users see tunnel attacks when used as forwarding plane. good to know. -- MST
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